Heating system



, Sept. 4, 1923.

1,467,229 W. A. COLLVER 'HEATING SYSTEM Filed April 21, 1922 4 Sheets-Sheet 1 Sept. 4, 1923. 1,467.29 .W. A. COLLVER I HEATING SYSTEM Filed April 21 1922 '4 Sheets-Sheet 2 I WILL/AM /4 60a me,

l TTORNEY8 w. A. COLLVER Sept. 4, 1923.

. HEATING SYSTEM.

Filed April 21 1922 4 Sheets-Shet 5 ,v 1/ 4 1 a IM/ A INVENTOR llltllu &

WILL/AM 4. COLLVE A TTORNEYS Sept. 4, 1923.

W. A. COLLVER HEATING SYSTEM 1922 4 Sheets-Sheet 4 Filed April 21 INVENTOR W/LL MM 4. Caz; 1/542,

A TTORNEYS Patented Sept. 4, 1923.

amaze HEATING SYSTEM.

Application filed April 21, 1922. Serial No. 555,861.

T all whom it may concern:

Be it known that 1', WILLIAM ALBERT COLL- VER, a citizen of the United States, and a resident of Marshfield, in the county of Coos and State of Oregon, have invented a new and Improved Heating I System, of which the following is a description.

My invention relates to a heater associated with a fireplace and the invention resides in a novel assemblage associated with an open fireplace and which includes a hot-air heater, trash burner, distinctive Smokestack elements, stack-cleaning means, means to raise and lower the door to or from the fireplace.

The nature of the invention and its distinctive features and characteristics will clearly appear as the description proceeds.

Reference is to be had to the accompanying drawings forming a part of this specifination, it being understood that the drawings are merely illustrative of one example of the invention.

Figure 1 is a front elevation of a fireplace and its casing embodying my invention;

Figure 2 is a partly sectional front view;

Figure 3 is a transverse vertical section;

Figure 4 is an enlarged horizontal section on the line 4-4, Figure 3;

Figure 5 is a perspective view with parts broken out showing the smoke stack and chimney assemblage;

Figures 6 and 7 are horizontal sections respectively on the lines 66 and 77, Figure 2;

Figure 8 is a detail in enlarged vertical section through the ribbon spring for closing the elongated slot in the dividing wall between the plane of the door and the upper coils within said plane, saidspring preventing warm air escape;

Figure 9 is a sectional front view showing the spring illustrated in Figure 8 and the connection of the same ,with the elements appurtenant to the door coil.

In carrying out my invention in accordance with the illustrated example, the fireplace 10 of any suitable form has a grate 11 made of pipe sections and connecting with a water back as hereinafter referred to. A heater coil 12 with a covering plate 13 constitutes a door for the front of the fireplace, said door sliding in vertical guide slots 14 in the casing 15. The numeral 16 indicates hanger chains secured at their upper ends 5 as by bolts '18 to any fixed part 19 of the Said chimney place or frame structure.

hanger chains are suitably connected with the bolts 18 and as here shown they are connected through the medium of hanger rods 17 although they may be connected direct with said bolts 18., At the lower ends the hanger chains are secured to a pipe member appurtenant to the coil 12 at thetop and secured by clasps around each-pipe of coils 20. The hanger chains 16 are for. the purpose of allowing the coils 20 to spring in each portion thereof sufficient for the door to drop to the bottom of the fireplace front.

The lower end of one coil 20 extends downwardly as at 21 to a connection at the bottom of the coil 12 while the other side coil 20 connects with the top of said coil 12. The upper ends of the coils 20 Connect re' spectively with range boilers 23 which advantageously have associated therewith a safety valve 23 -Character 20? indicates joints of coil- 20. I

For holding the door in the lowered posit-ion a horizontal locking shaft 24 is provided having a handle 25 and formed with cams 26 that bear against locking levers 27 fulcrumed between their ends as at 27. and having studs 28 projecting laterally outward and adapted to have guided movements in vertical side slots 29 (Figure Rigid with the coil 12 at the top is a frame-like bar 30 towhich connects the lower-ends of flexible cables 31 that extend upwardly and over sheaves 32 and then downwardly to ag connection with the trunnions 33 of one of the hoop or ring scrapers 35 disposed within a stack 36, said scrapers being connected by a vertical bar 34. One of the scrapers 35 .below'the trunnions 33 carries a damper 37 provided in the stack 36. The damper 37 has a weight 39 at one place 10. The stack communicates with the 1 F11 order to close the opening caused by the heater pipe passing through from the plane of the door coil 12 to the coils 20, I provide ribbonlike flat springs 45 disposed vertically and secured as at 46 to the sleeve member 46 on a pipe member 2O connecting vertical pipe 21 with a coil 20. Said springs 45 slide with the door 12 in fixed guides 47. The lower end of each spring 45 may coil as at 51 in a housing 48 indented in the right and left upper corners of the fireplace. Thus the springs 45 will constitute a closure of the slots in the dividing Wall 15 between the plane of the door coil 12 and the upper coils 20, the opening being provided for the vertical movement of the coil12. At the lower end of each elongated slot in the dividing wall 15 as closed by the springs 45 is a pair of rollers 49 provided on the fixed structure and on the dividing wall 15 at the upper end of the spring 45 is a pair of rollers 50 between which rollers the spring 45 passes. The upper end of the spring 45 is curved as at 52 to cause it to assume a coiled form at the upper end when the door is raised.

At the bottom of the fireplace 10 is a door trunnioned between its ends as at 54 and leading to an ash-box 55 in the pit 56 below the fireplace. A second lift door 57 is provided for the pit 56 at the back of the tireplace 10.

The grate 11 has a water back 58 connected by pipes 59 with the boilers 2-3, the numeral 60 indicating the cold water inlet pipes of said boilers.

A by-pass heater pipe 61 is n-ovided. extending transversely through the ash pit and rising at opposite sides oi the grate, the upper ends of said pipe extending laterally inward to a connection at its ends with the stack 36. The opposite ends of the pipe 61 connect with the stack 36, one above the other, the damper 3? being disposed between the two pipe ends so as to force smoke through that end of the pipe 61 below the valve to cause the smoke to circulate through said pip 61 and to return to said stack 36 above the damper 37. Thus, said pipe 61 aids in heating the air in casing 15.

I provide in the chimney structure 63 surrounding the top of the smokestack36 air inlet boxes 62 having hinged inner sides or valves 64 to pass air inwardly through the chimney 63 to interior air passages 65, in whichthe air rises and passes over vertical bathe plates 66 and downwardly through air ducts 67 one side 68 of each of which rises to near the top oi? the chimney. In Figure 5 the top layers of the chimney' are omitted in the interest of clearness as will be noted by comparing Figures 3 and 5. The air duets 67 lead downwardly through a double wall bushing '69 set in the fixed structure 19 at the base of the chimney, the air passing from between the double walls laterally at opposite sides of the stack 86 into air pipes 70 which extend downwardly in the casing 15, the outer lower ends terminating in lateral bends, the outlet of each of which is controlled by a valve 71. The stem 72 of the valve 71 has a cross arm 7 3 rockably mounted on the pipe 70 as at 73 (Figures 6) and terminates in weighted arms 74 balancing the valve so that it will hang sensitive to changes of air pressure within the casing 15. Above the fireplace at each side the casing 15 has slatted ventilators 75, a rod 76 connecting the slats, extending below the same for convenient operation. Said rod may have a knob 7 7 thereon slightly above the lower end. iVhen the slats are opened the rod 76 may be set into a cup 7 8 on the front of the casing 15 to prevent downward movement of said rod and thereby hold the slats open.

On top of the chimney is a fixed plate 80 through which the Smokestack 36 has its out-- let and abovethe'plate 80 and spaced there fromis a cap 81 affording an air inlet and serving as a. protector for the smokestack. Said cap is suitably supported as by standards 81 Within the cap 81 at the lower edge is a valve plate 82 above and parallel with the plate 82. Said plate 82 is hung as by links 83 on one arm of each of a plurality of levers 84 which lever is hung between its ends as at 85 on the under side of the cap 81. The other arm of each lever 84 is secured to a balancing weight 86.

With the above described construction when the door coil 12 is lowered the water therein will be heated and rise, the water circulating through the connection with the range boilers 23. lVhen said door 12 is raised the scraper rings 35 will lower in the stack 36 through the described connection with the cables 81 and in the raised position of the door and the lowered position oi the valve 37, the slack in the chain 40 will permit ot the damper to swing open thus allowing free passage of smoke. The lowering ot the door will raise the scrapers 35 and the valve 37 disposing the latter between the opposite ends of the bypass 61 and thereby causing the smoke to circulate through said by-pass 61. The opening of the back door 42 will also open damper by slacking chain at its lower end thus allowing tree passage of smoke while trash is fed into fireplace. The back door 42 should never be opened unless front door is closed.

The inlet of air through the valve 64 and the passage of the air as described through the pipe 70 will continue whenever the valves 71 are open. .Vhen the heat in the case 15 is highest the pressure oi the heated air will close the va.ves 71. Vilhen, however, the ventilators are opened and the heated air allowed to escape into the room, the air pressure in the case will lower and the weights T l will open the valve 71 permitting the passage of air from the inlet 62 through the described air passages and ducts surrounding the chimney 63 to and through the pipes '70 to the casing 15. The valve assemblage at the top of the chimney 63 will function according to the draft through the stack 36, a strong draft serving to overcome the lowering tendency of the weight 86 and the weight descending as the draft reduces, thereby raising the opposite ends of the levers 84 to raise the valve plate 82.

I would state in conclusion that while the illustrated example constitutes a practical embodiment of my invention, I do not limit myself strictly to the exact details herein illustrated, since, manifestly, the same, can be considerably varied without departure from the spirit of the invention as defined in the appended claims.

Having thus described my invention, I claim p 1. A fireplace heater including a water heating door adapted to be disposed in front of the fireplace or above the same, a range boiler, and means establishing communica tion between the heater door and boiler, and mounted to accommodate itself to the rising and falling of the door.

2. A fireplace heater including a smokestack, a by-pass pipe extending upwardly at opposite sides of the fireplace, the ends of said by-pass pipe connecting with the smoke stack at difi' erent heights, a valve disposed in the Smokestack between the ends of the by-pass pipe, a vertically movable water heating door for the fireplace, and means to raise or lower said valve to and from its position between theby-pass ends by the lowering and raising of the heater door.

3. A fireplace heater including a smokestack, scrapers therein, a water-circulating heating system including a door having a coil and movable vertically to and from its position in front of the fireplace, and connections between said scrapers and said door.

4. A fireplace including a smokestack, an element movable vertically in the smokestack, a trash door positioned to permit feeding of trashto the fireplace from the back of the heater, a connection between said vertically movable element and said door, a water-circulating heating circuit, said circuit including a vertically movable door having a heater coil, and connections between the heater door and the means in the Smokestack.

5. A fireplace including a Smokestack, an element movable vertically in thesmokestack, a weighted rock valve carried bysaid element, a trash door positioned to permit feeding of trash to the fireplace from the back of theheater and connected with said valve, a Water-circulating heating circuit, said circuit including a door having a heater coil, said heater door being movable vertically, and connections between the heater door and said element in the smokestack.

6. A fireplace heater including a door having a heater coil and adapted to be raised or lowered, side coils above and in communication with said door coil, means to raise and lower said door, partition walls adjacent the side coils, said walls presenting vertical slots affording clearance for the raising or lowering of the door coil, and ribbon springs constituting closures For said. slots, said springs adapted to coil and uncoil at their upper andv lower ends in response to the raising and lowering of the door.

WILLIAM ALBERT COLLVER. 

